Performance degradation due to anodic failure mechanisms in lithium-ion batteries

Sarkar, Abhishek; Nlebedim, Ikenna C.; Shrotriya, Pranav

doi:10.1016/j.jpowsour.2020.229145

Cited by 48 publications

(26 citation statements)

References 56 publications

(89 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Aging models based on SEI formation and Li‐plating have been integrated into P2D models to simulate the battery capacity losses. [ 181,208,211,239–248 ] The additionally required equations are summarized in Table 4 . The SEI formation (Equation (43d)) and Li‐plating (Equation (44)) are frequently described by cathodic Tafel expressions in order to reduce the computational complexity of the simulations.…”

Section: Applications To Libsmentioning

confidence: 99%

See 1 more Smart Citation

Porous Electrode Modeling and its Applications to Li‐Ion Batteries

Chen

Danilov

Eichel

et al. 2022

Advanced Energy Materials

View full text Add to dashboard Cite

Figure 12. a-c) Schematic representation of the electrode potential at electrode/electrolyte interfaces. [145] Red areas indicate the electrode region and blue the electrolyte region. a) The Butler-Volmer approach does not consider charges at the interface. b) More detailed representation of the electrode/ electrolyte interface, considering specifically adsorbed species (green area) and screening counter charges at the surface of the electrode (dark red) and in the electrolyte (dark blue). c) Reduced electrode/electrolyte interface considering the surface charge in the electrode and screening charge in the electrolyte. d) Typical examples of impedance spectra for a porous electrode with insertion-type reactions. [151] Impedance simulations of porous graphite electrodes in contact with electrolyte with e) various particle sizes and f) electrode porosities. [152] a-c) Reproduced with permission. [145]

show abstract

Section: Applications To Libsmentioning

confidence: 99%

“…[232,233] Aging models based on SEI formation and Li-plating have been integrated into P2D models to simulate the battery capacity losses. [181,208,211,[239][240][241][242][243][244][245][246][247][248] The additionally required Table 4. Governing equations of losses in Li inventory models.…”

Section: Wwwadvancedsciencenewscommentioning

confidence: 99%

Porous Electrode Modeling and its Applications to Li‐Ion Batteries

Chen

Danilov

Eichel

et al. 2022

Advanced Energy Materials

View full text Add to dashboard Cite

show abstract

“…The mechano-chemical properties, resistance, ionic conductivity, and recyclability of the SEI urgently need precise characterization at high resolution in real space. 19,[23][24][25] However, limited studies in the literature have revealed the atomic structure, leaving a predominantly unknown domain for research. The morphology and structure of the SEI after Li deposition and stripping need to be further studied at the atomic scale and three dimensions using cryo-TEM in order to accurately correlate its structure-property with Li metal cyclability.…”

Section: Progress and Potentialmentioning

confidence: 99%

“…The ideal SEI skinlayer keeps its integrity by resiliently accommodating the volume changes of the anode materials during many cycles of Li plating and stripping. The mechano-chemical properties, resistance, ionic conductivity, and recyclibity of the SEI urgently need precise characterization at high resolution in real space 19,[23][24][25] . However, only very few studies are available in the literature to unveil the atomic structure, leaving a largely unknown domain for research.…”

Section: Main Textmentioning

confidence: 99%

Conformal three-dimensional interphase of Li metal anode revealed by low-dose cryoelectron microscopy

Han

Bai

et al. 2021

Matter

View full text Add to dashboard Cite

The cells cycled under accurately controlled uniaxial pressure can further enhance the repeated utilization of the SEI framework and improve the Coulombic efficiency (CE) to 97%, demonstrating an effective strategy for reducing the formation of inactive ''dead'' Li and large quantities of additional SEI. The identification of such a flexible and porous 3D SEI framework clarifies the working mechanism of SEI in lithium metal batteries.

show abstract

“…The electric field creates a net motion of the lithium ions to diffuse between the electrodes. Although the bulk ensemble diffusion occurs from cathode to anode, the individual ionic species exhibit random motion due to the convoluted diffusion pathways in the electrode 23 and separator membrane. 24 These randomly moving species create lithium hotspots at the anode/separator interface creating conditions to initiate interfacial degradation.…”

Section: Introductionmentioning

confidence: 99%

Magnetohydrodynamic Control of Interfacial Degradation in Lithium-Ion Batteries for Fast Charging Applications

Sarkar

Shrotriya

Nlebedim

2021

ACS Appl. Mater. Interfaces

Self Cite

View full text Add to dashboard Cite

Interfacial anodic degradation in graphitic materials under fast charging conditions causes severe performance loss and safety hazard in lithium ion batteries. We present a novel method for minimizing the growth of these aging mechanism by application of an external magnetic field. Under magnetic field, paramagnetic lithium ions experience a magnetohydrodynamic force, which rotates the perpendicularly diffusing species and homogenizes the ionic transport. This phenomenon minimizes the overpotential hotspots at the anode/separator interface, consequently reducing SEI growth, lithium plating, and interfacial fracture. In situ electrochemical measurements indicate an improvement in capacity for lithium cobalt oxide/graphite pouch cell (20 mAh) charged from 1–5 C under an applied field of 1.8 kG, with a maximum capacity gain of 22% at 5C. Post-mortem FE-SEM and EDS mapping shows that samples charged with magnetic field have a reduced lithium deposition at 3C and a complete suppression of interfacial fracture at 5C. At 5C, a 24% reduction in the lithium content is observed by performing XPS on the anodic interfacial film. Finally, fast charging performance under variable magnetic field strengths indicate a saturation behavior in capacity at high fields (>2 kG), thereby limiting the field and consequent energy requirements to obtain maximum capacity gain under extreme conditions.

show abstract

Performance degradation due to anodic failure mechanisms in lithium-ion batteries

Cited by 48 publications

References 56 publications

Porous Electrode Modeling and its Applications to Li‐Ion Batteries

Porous Electrode Modeling and its Applications to Li‐Ion Batteries

Conformal three-dimensional interphase of Li metal anode revealed by low-dose cryoelectron microscopy

Magnetohydrodynamic Control of Interfacial Degradation in Lithium-Ion Batteries for Fast Charging Applications

Contact Info

Product

Resources

About